/*WinOpen opens unique windows*/
function WinOpen(url,x,y) 
{
	var basestring="window"+new Date().getTime();
	var options = "toolbar=no,scrollbars=yes,resizable=yes,width=" + x + ",height=" + y;
	msgWindow=window.open(url,basestring,options);
	return false;
}

/*popUp opens one window and brings the focus to the window*/
function popUp(Address, PageName, myWidth, myHeight, scroll)
{
    //center the pop-up box
    var winLeft = (screen.width - myWidth) / 2;
    var winTop = (screen.height - myHeight) / 2;
    
    //set the properties
    winprops = 'height='+myHeight+',width='+myWidth+',top='+winTop+',left='+winLeft+',scrollbars='+scroll+',resizable'
    win = window.open(Address, PageName, winprops)
    
    //focus the window
    if (parseInt(navigator.appVersion) >= 4) 
    { win.window.focus(); }
}

function createCookie(name,value,days)
{
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name)
{
	createCookie(name,"",-1);
}